<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <style>
    body{font-size:15px;font-family:arial;text-align:center;}
    #container{margin:0 auto;height:250px;width:2000px;background-color:#9dff9d;}
    #banner{float:left;height:200px;width:300px;border:5px solid #000000;margin:10px;
      background-color:#ffffff;}
    #content{float:left;width:300px;height:200px;border:5px solid #000000;margin:10px;
      background-color:#ffffff;}
    #links{float:left;width:300px;height:200px;border:5px solid #000000;margin:10px;
      background-color:#ffffff;}
    #footer{float:left;height:200px;width:300px; border:5px solid #000000;margin:10px;
      background-color:#ffffff;}
    img{position:relative;
      top:15px;height:120px;width:200px;
    }
  </style>
</head>
<body>
<div id="container">
  <div id="banner"><img src="翱翔蓝天.jpeg" ><br><br><br>翱翔天际</div>
  <div id="content"><img src="绿草茵茵.jpeg" ><br><br><br>绿草茵茵</div>
  <div id="links"><img src="蓝天白云.jpeg" ><br><br><br>蓝天白云</div>
  <div id="footer"><img src="鲜花盛开.jpeg" ><br><br><br>鲜花盛开</div>
</div>
</body>
</html>